LTC1421CSW#TR Linear Technology, LTC1421CSW#TR Datasheet - Page 2

• Manufacturer Part Number: LTC1421CSW#TR
• Description: IC CONTROLLER HOTSWAP ADJ 24SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1421CSW#TR

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 3 V ~ 12 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Linear Misc Type: Positive Low Voltage
• Family Name: LTC1421
• Package Type: SOIC W
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 12V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 24
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE
LTC1421/LTC1421-2.5
(Note 1)
Supply Voltage (V
Input Voltage (Analog Pins) ..... – 0.3V to (V
Input Voltage (Digital Pins) ................... – 0.3V to 13.2V
Output Voltage (Digital Pins) .. – 0.3V to (V
Output Voltage (CPON) ......... – 13.2V to (V
Output Voltage (V
Output Voltage (GATELO, GATEHI) ........... – 0.3V to 20V
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
DC Characteristics
I
I
V
V
V
I
V
V
V
V
V
R
V
V
2
CCLO
CCHI
RSC
LKO
LKH
REF
COF
CPSR
CHST
RST
RHST
CB
TRIP
V
V
FB
LNR
LDR
LTC1421C ............................................... 0 C to 70 C
LTC1421I ........................................... – 40 C to 85 C
PARAMETER
V
V
Undervoltage Lockout
Undervoltage Lockout Hysteresis
Reference Output Voltage
Reference Line Regulation
Reference Load Regulation
Reference Short-Circuit Current
Comparator Offset Voltage
Comparator Power Supply Rejection
Comparator Hysteresis
Reset Voltage Threshold (V
Reset Threshold Hysteresis (V
FB Pin Input Resistance
Circuit Breaker Trip Voltage
Output Voltage for Re-Power-Up
CCLO
CCHI
Supply Current
Supply Current
OUTLO
CCLO
W
MAXIMUM
, V
, V
CCHI
OUTHI
W W
, AUXV
OUTLO
) ........... – 0.3V to 13.2V
OUTLO
)
)
CC
RATINGS
) .............. 13.2V
CONDITIONS
CON1 = CON2 = GND, POR = V
CON1 = CON2 = GND, POR = V
V
V
No Load
3V V
I
V
0V V
0V V
0V V
FB = V
FB = Floating
FB = GND
FB = V
FB = Floating
FB = GND
0V V
V
LTC1421 (Note 3)
LTC1421-2.5 (Note 4)
O
CCLO
CCLO
U
CCLO
CCLO
REF
CB
CCHI
A
= (V
0mA to – 5mA, Sourcing Only
= 0V
= 25 C. V
OUTLO
OUTLO
CCLO
CM
CM
CM
FB
and V
and V
+ 0.3V)
+ 0.3V)
+ 0.3V)
CCLO
The
V
(V
(V
(V
CCHI
CCHI
CCLO
– V
12V, No Load
CCLO
CCLO
CCLO
CCHI
SETLO
denotes specifications which apply over the full operating
1.3V)
1.3V), 3V V
1.3V)
= 12V, V
) or V
PACKAGE/ORDER I FOR ATIO
Consult factory for parts specified with wider operating temperature ranges.
24-LEAD PLASTIC SSOP
DISABLE
PWRGD
CB
FAULT
RESET
RAMP
CPON
CON1
CON2
= (V
GND
POR
G PACKAGE
CCLO
CCLO
REF
CCLO
T
T
FB
JMAX
JMAX
CCLO
CCHI
10
11
12
1
2
3
4
5
6
7
8
9
= 125 C,
= 125 C,
= 5V unless otherwise noted (Note 2).
– V
12V
TOP VIEW
SETHI
JA
JA
24-LEAD PLASTIC SO
)
= 100 C/W (G)
= 85 C/W (SW)
SW PACKAGE
24
23
22
21
20
19
18
17
16
15
14
13
AUXV
V
SETLO
GATELO
V
V
SETHI
GATEHI
V
COMPOUT
COMP
COMP
1.220
2.28
2.80
4.50
5.75
MIN
CCLO
OUTLO
CCHI
OUTHI
40
CC
–
+
U
1.232
2.45
2.90
4.65
5.88
TYP
100
– 45
1.5
0.6
0.1
2.5
12
15
95
50
4
1
7
7
LTC1421CG
LTC1421CSW
LTC1421CG-2.5
LTC1421CSW-2.5
LTC1421IG
LTC1421ISW
LTC1421IG-2.5
LTC1421ISW-2.5
ORDER PART
NUMBER
W
1.244
MAX
2.60
3.00
4.75
6.01
60
3
1
8
3
10
1
UNITS
mV/V
U
mA
mA
mV
mV
mV
mA
mV
mV
mV
mV
mV
mV
k
V
V
V
V
V
V
V